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Espresso at the Racecourse
Last year, one of the local high schools had a coffee stand set up to pump spectators with caffeine. They also had hot apple cider, which tastes excellent after rowing through rain. It's a great chance for coaches, parents, and athletes to grab a warm drink. There is also a stand with burgers, curly fries, nachos (the usual concession fare).
Keystone Cafe, W5th & Lawrence
Keystone Cafe is a cute little setup in Eugene with hearty all-day breakfasts and soups to appease your appetite or warm you up if the weather turns sour. There are a lot of vegetarian and vegan options, and everything is really well priced ($4-$9). The English Muffin Scramble with yeast gravy was delicious, even for a gravy die-hard like myself.
McMenamin's High Street, 1234 High Street
McMenamin's is a Northwest pub/restaurant chain, but we can't get over their cajun-style tater tots or awesome sandwiches. Try the communication breakdown burger or one of their signature brews (my favorites are the Hammerhead and the Ruby)